When to Plant Bleeding Hearts in Zone 3b

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Zone 3b it's possible to figure out when to plant bleeding hearts.


Planting Calendar for Bleeding Hearts

Frost tolerance for bleeding hearts: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Since bleeding hearts are barely cold tolerant you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant bleeding hearts
Possibly ok, but a risky time to plant bleeding hearts
Probably not a good time to plant bleeding hearts

The earliest that you can plant bleeding hearts in Zone 3b is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant bleeding hearts and expect a good harvest is probably August. You probably don't want to wait any later than that or else your bleeding hearts may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your bleeding hearts indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Zone 3b. It might get as low as -35°F during the coldest months of winter.

Keep in mind that USDA zone info for Zone 3b is just an average and the actual date of last frost changes from year to year. Half of the time in Zone 3b there is a last frost after May 15 so make sure that you are ready to protect your bleeding hearts in the event of a late frost.

USDA Zone Info for Zone 3b

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-35°F
Highest Expected Low-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Zone 3b

You may be interested in your other planting guides for Zone 3b.